Fixed error 502

+<?php
+
+$filename = '/opt/tmp/stfcardid2login.json';
+$s = stat($filename);
+
+if ($s === FALSE || (@$s[9]+3600*24) < time()) {
+	$apiKey      = trim(file_get_contents('/etc/apikey-voip'));
+	$subscribers = json_decode(file_get_contents('http://new.voip.mephi.ru/subscribers.json?limit=65535&renderFilter=subscribers&apiKey='.urlencode($apiKey)), 1)['subscribers'];
+	foreach ($subscribers as &$subscriber) {
+		if (empty($subscriber['Login']['String']))
+			continue;
+
+		foreach ($subscriber['Appointments'] as &$_a) 
+			$stfcardid2login[$_a['StfCardId']] = $subscriber['Login']['String'];
+	}
+
+	if (count($stfcardid2login) > 1000) {
+		file_put_contents($filename, json_encode($stfcardid2login));
+	}
+}
+
+?>

+#!/bin/bash
+
+cd /var/www/ut.mephi.ru/ut-tex/genpdf
+
+php ./cron.php &

@@ -92,23 +92,9 @@ function stfcardid2login($stfcardid) {
 	static $stfcardid2login = array();
 
 	$filename = '/opt/tmp/stfcardid2login.json';
-
 	$s = stat($filename);
-
 	if ($s === FALSE || (@$s[9]+3600*24) < time()) {
-		$apiKey      = trim(file_get_contents('/etc/apikey-voip'));
-		$subscribers = json_decode(file_get_contents('http://new.voip.mephi.ru/subscribers.json?limit=65535&renderFilter=subscribers&apiKey='.urlencode($apiKey)), 1)['subscribers'];
-		foreach ($subscribers as &$subscriber) {
-			if (empty($subscriber['Login']['String']))
-				continue;
-
-			foreach ($subscriber['Appointments'] as &$_a) 
-				$stfcardid2login[$_a['StfCardId']] = $subscriber['Login']['String'];
-		}
-
-		if (count($stfcardid2login) > 1000) {
-			file_put_contents($filename, json_encode($stfcardid2login));
-		}
+		system("bash /var/www/ut.mephi.ru/ut-tex/genpdf/cron.sh");
 	}
 
 	if (empty($stfcardid2login)) {